class wxColourRefData: public wxObjectRefData
{
public:
- wxColourRefData();
- ~wxColourRefData();
+ wxColourRefData()
+ {
+ m_color.red = 0;
+ m_color.green = 0;
+ m_color.blue = 0;
+ m_color.pixel = 0;
+ m_colormap = (GdkColormap *) NULL;
+ m_hasPixel = FALSE;
+ }
+
+ wxColourRefData(const wxColourRefData& data)
+ {
+ m_color = data.m_color;
+ m_colormap = data.m_colormap;
+ m_hasPixel = data.m_hasPixel;
+ }
+
+ ~wxColourRefData()
+ {
+ FreeColour();
+ }
+
+ bool operator == (const wxColourRefData& data) const
+ {
+ return (m_colormap == data.m_colormap &&
+ m_hasPixel == data.m_hasPixel &&
+ m_color.red == data.m_color.red &&
+ m_color.green == data.m_color.green &&
+ m_color.blue == data.m_color.blue &&
+ m_color.pixel == data.m_color.pixel);
+ }
void FreeColour();
+ void AllocColour( GdkColormap* cmap );
-public:
GdkColor m_color;
GdkColormap *m_colormap;
bool m_hasPixel;
friend class wxColour;
-};
-wxColourRefData::wxColourRefData()
-{
- m_color.red = 0;
- m_color.green = 0;
- m_color.blue = 0;
- m_color.pixel = 0;
- m_colormap = (GdkColormap *) NULL;
- m_hasPixel = FALSE;
-}
+ // reference counter for systems with <= 8-Bit display
+ static gushort colMapAllocCounter[ 256 ];
+};
-wxColourRefData::~wxColourRefData()
-{
- FreeColour();
-}
+gushort wxColourRefData::colMapAllocCounter[ 256 ] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
void wxColourRefData::FreeColour()
{
(private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
#endif
{
- // What happens if the colour has not been allocated
- // anew but has been found? RR.
+ int idx = m_color.pixel;
+ colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] - 1;
+
+ if (colMapAllocCounter[ idx ] == 0)
gdk_colormap_free_colors( m_colormap, &m_color, 1 );
}
}
}
+void wxColourRefData::AllocColour( GdkColormap *cmap )
+{
+ if (m_hasPixel && (m_colormap == cmap))
+ return;
+
+ FreeColour();
+
+#ifdef __WXGTK20__
+ if ( (cmap->visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (cmap->visual->type == GDK_VISUAL_PSEUDO_COLOR) )
+#else
+ GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
+ if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
+#endif
+ {
+ m_hasPixel = gdk_colormap_alloc_color( cmap, &m_color, FALSE, TRUE );
+ int idx = m_color.pixel;
+ colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] + 1;
+ }
+ else
+ {
+ m_hasPixel = gdk_color_alloc( cmap, &m_color );
+ }
+ m_colormap = cmap;
+}
+
//-----------------------------------------------------------------------------
#define M_COLDATA ((wxColourRefData *)m_refData)
IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject)
-wxColour::wxColour()
-{
-}
-
wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue )
{
m_refData = new wxColourRefData();
else
{
m_refData = new wxColourRefData();
+
if (!gdk_color_parse( colourName.mb_str(), &M_COLDATA->m_color ))
{
- wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
-
+ // VZ: asserts are good in general but this one is triggered by
+ // calling wxColourDatabase::FindColour() with an
+ // unrecognized colour name and this can't be avoided from the
+ // user code, so don't give it here
+ //
+ // a better solution would be to changed code in FindColour()
+
+ //wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
+
delete m_refData;
m_refData = (wxObjectRefData *) NULL;
}
}
}
-wxColour::wxColour( const wxColour& col )
-{
- Ref( col );
-}
-
wxColour::~wxColour()
{
}
-wxColour& wxColour::operator = ( const wxColour& col )
-{
- if (*this == col) return (*this);
- Ref( col );
- return *this;
-}
-
bool wxColour::operator == ( const wxColour& col ) const
{
if (m_refData == col.m_refData) return TRUE;
-
- if (!m_refData) return FALSE;
- if (!col.m_refData) return FALSE;
-
+
+ if (!m_refData || !col.m_refData) return FALSE;
+
GdkColor *own = &(((wxColourRefData*)m_refData)->m_color);
GdkColor *other = &(((wxColourRefData*)col.m_refData)->m_color);
if (own->red != other->red) return FALSE;
if (own->blue != other->blue) return FALSE;
if (own->green != other->green) return FALSE;
-
+
return TRUE;
}
-bool wxColour::operator != ( const wxColour& col) const
+wxObjectRefData *wxColour::CreateRefData() const
{
- return !(*this == col);
+ return new wxColourRefData;
+}
+
+wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const
+{
+ return new wxColourRefData(*(wxColourRefData *)data);
}
void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
{
- UnRef();
+ AllocExclusive();
+
m_refData = new wxColourRefData();
M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT;
return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
}
-bool wxColour::Ok() const
-{
- return (m_refData != NULL);
-}
-
void wxColour::CalcPixel( GdkColormap *cmap )
{
if (!Ok()) return;
- if ((M_COLDATA->m_hasPixel) && (M_COLDATA->m_colormap == cmap)) return;
-
- M_COLDATA->FreeColour();
-
-#ifdef __WXGTK20__
- if ((cmap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (cmap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#else
- GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
- if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#endif
- {
- M_COLDATA->m_hasPixel = gdk_colormap_alloc_color( cmap, &M_COLDATA->m_color, FALSE, TRUE );
- }
- else
- {
- M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color );
- }
-
- M_COLDATA->m_colormap = cmap;
+ M_COLDATA->AllocColour( cmap );
}
int wxColour::GetPixel() const
projects / wxWidgets.git / blobdiff